Countdown Ring

Circular SVG countdown that depletes as seconds tick down.

Surfaces

webgoogle-meet-stagegoogle-apps-script-webgoogle-apps-script-side-panelmcp-apps

Live preview

Countdown Ring

Fields

Field	Type
duration_sec	total countdown in seconds (required, default 60)	required
size	ring diameter in px (default 80)	required
color	ring colour (default var(--a2ui-accent))	required
label	caption below	required

Example payload

{
  "type": "countdown_ring",
  "label": "Countdown Ring"
}

ARD catalog entry

{
  "identifier": "urn:air:a2uicatalog.ai:atom:countdown_ring",
  "displayName": "Countdown Ring",
  "type": "application/vnd.a2ui.atom+json",
  "url": "https://a2uicatalog.ai/atoms/countdown_ring",
  "capabilities": [
    "web",
    "google-meet-stage",
    "google-apps-script-web",
    "google-apps-script-side-panel",
    "mcp-apps"
  ],
  "description": "Circular SVG countdown that depletes as seconds tick down.",
  "representativeQueries": [
    "show a circular countdown timer ring",
    "circular svg countdown that depletes as seconds tick down.",
    "render a countdown ring"
  ]
}

← Full ARD catalog

Deploy your own Google Apps Script renderer

The renderer is an open-source Google Apps Script web app. Deploy your own instance in 4 commands — you own the URL, no dependency on the demo endpoint.

git clone https://github.com/a2uicatalog/a2ui
cd a2ui/apps-script-surface/gas-wired-renderer
clasp push && clasp deploy

Full deploy guide →